15252663 has 4 divisors (see below), whose sum is σ = 20336888. Its totient is φ = 10168440.

The previous prime is 15252647. The next prime is 15252667. The reversal of 15252663 is 36625251.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15252663 - 2⁴ = 15252647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15252663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15252667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542108 + ... + 2542113.

It is an arithmetic number, because the mean of its divisors is an integer number (5084222).

Almost surely, 2^15252663 is an apocalyptic number.

15252663 is a deficient number, since it is larger than the sum of its proper divisors (5084225).

15252663 is an equidigital number, since it uses as much as digits as its factorization.

15252663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084224.

The product of its digits is 10800, while the sum is 30.

The square root of 15252663 is about 3905.4657852809. The cubic root of 15252663 is about 247.9982169053.

The spelling of 15252663 in words is "fifteen million, two hundred fifty-two thousand, six hundred sixty-three".